Rias Gremory FanFiction

Long Live the King (Male Reader x Crossover Harem)

Long Live the King (Male Reader x Crossover Harem)

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga) 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime) 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
Characters
Makima (Chainsaw Man), Toga Himiko, Uraraka Ochako, Gojo Satoru, Sukuna | Ryoumen Sukuna, Ruby Rose (RWBY), Yang Xiao Long, Cinder Fall, Weiss Schnee, Blake Belladonna, Kanroji Mitsuri, Kochou Shinobu,
Tags
Magic Dragons Chaos Sex Vampires Death Supernatural Elements Reincarnation Crossover Assassins & Hitmen Spies & Secret Agents Multiverse
The Sword of the Magus: Beginings

The Sword of the Magus: Beginings

F/M
Multi
Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling ハイスクール DxD - 石踏 一榮 | High School DxD - Ishibumi Ichiei
Characters
Harry Potter, Hermione Granger, Dudley Dursley, Hermione Granger/Harry Potter, Rias Gremory, Rias Gremory/Harry Potter, Sirzechs Lucifer
Tags
Violence Ron Weasley Bashing This Is Not Going To Go The Way You Think Worldbuilding Ginny Weasley Bashing Past Harry Potter/Ginny Weasley Excalibur Elves
After the events of the Second Wizarding War, Harry Potter is trying to settle into a life of peace. But during a vacation in the Scottish Highlands, he discovers a hidden cave containing the legendary sword Excalibur. The sword chooses him as its ri...
A Devilish Bargain

A Devilish Bargain

F/M
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling Highschool DxD (Anime) ハイスクール DxD - 石踏 一榮 | High School DxD - Ishibumi Ichiei
Characters
Harry Potter, Sirius Black, Rias Gremory, Sirius Black & Harry Potter, Rias Gremory/Harry Potter
Tags
Crossovers & Fandom Fusions
After Harry is hit with the Killing Curse again after the Triwizard Tournament, Sirius decides that enough is enough. No matter the cost, he's going to help his godson and keep him safe.